He was District Attorney of
Erie County from January 1, 1857, to December 31, 1859, and a member of the
New York State Senate (31st d.) in
1864 and
1865.
Congress Humphrey was elected as a
Democrat to the
39th and
40th congresses, holding office from March 4, 1865, to March 3, 1869. == Later career and death ==